Tool-holding base



FIG. 1 is a perspective view of a tool-holding base showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof, in use.

The broken line showing of a tool illustrates environmental structureand forms no part of the claimed design.

The ornamental design for a tool-holding base, as shown and described.